23106161620625 has 20 divisors (see below), whose sum is σ = 28997380171188. Its totient is φ = 18405594720000.

The previous prime is 23106161620573. The next prime is 23106161620627. The reversal of 23106161620625 is 52602616160132.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 20032391771536 + 3073769849089 = 4475756^2 + 1753217^2 .

It is not a de Polignac number, because 23106161620625 - 2¹⁰ = 23106161619601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23106161620627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79188836 + ... + 79480085.

Almost surely, 2^{23106161620625} is an apocalyptic number.

23106161620625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23106161620625 is a deficient number, since it is larger than the sum of its proper divisors (5891218550563).

23106161620625 is an equidigital number, since it uses as much as digits as its factorization.

23106161620625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158669174 (or 158669159 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

Adding to 23106161620625 its reverse (52602616160132), we get a palindrome (75708777780757).

The spelling of 23106161620625 in words is "twenty-three trillion, one hundred six billion, one hundred sixty-one million, six hundred twenty thousand, six hundred twenty-five".